Finding the Fourth Proportional to 89,166.42, 123,062.33 and 55,185.85

Step by Step Solution

1. Step 1: Write the proportion equation
   89,166.42 : 123,062.33 = 55,185.85 : x
2. Step 2: Convert to fraction form
   89,166.42/123,062.33 = 55,185.85/x
3. Step 3: Cross multiply
   89,166.42x = 123,062.33 × 55,185.85
4. Step 4: Simplify right side
   89,166.42x = 6,791,299,575.82
5. Step 5: Solve for x
   x = 6,791,299,575.82/89,166.42
6. Step 6: Final answer
   x = 76,164.32